[PATCH v2 05/15] drm/atmel-hlcdc: Use per-plane rotation property

[Ville Syrjälä]

On Wed, Aug 10, 2016 at 10:35:22AM +0200, Boris Brezillon wrote:
> Hi Ville,
> 
> On Fri, 22 Jul 2016 18:47:01 +0300
> ville.syrjala at linux.intel.com wrote:
> 
> > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > 
> > The global mode_config.rotation_property is going away, switch over to
> > per-plane rotation_property.
> > 
> > v2: Propagate error upwards (Boris)
> > 
> > Cc: Boris Brezillon <boris.brezillon at free-electrons.com>
> > Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > ---
> >  drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 37 +++++++++++++------------
> >  1 file changed, 20 insertions(+), 17 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> > index f3350c80704d..ee9bd7a938c3 100644
> > --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> > +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> > @@ -883,9 +883,9 @@ static int atmel_hlcdc_plane_atomic_get_property(struct drm_plane *p,
> >  	return 0;
> >  }
> >  
> > -static void atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane,
> > -				const struct atmel_hlcdc_layer_desc *desc,
> > -				struct atmel_hlcdc_plane_properties *props)
> > +static int atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane,
> > +					     const struct atmel_hlcdc_layer_desc *desc,
> > +					     struct atmel_hlcdc_plane_properties *props)
> >  {
> >  	struct regmap *regmap = plane->layer.hlcdc->regmap;
> >  
> > @@ -902,10 +902,18 @@ static void atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane,
> >  				ATMEL_HLCDC_LAYER_GA_MASK);
> >  	}
> >  
> > -	if (desc->layout.xstride && desc->layout.pstride)
> > -		drm_object_attach_property(&plane->base.base,
> > -				plane->base.dev->mode_config.rotation_property,
> > -				BIT(DRM_ROTATE_0));
> > +	if (desc->layout.xstride && desc->layout.pstride) {
> > +		int ret;
> > +
> > +		ret = drm_plane_create_rotation_property(&plane->base,
> > +							 BIT(DRM_ROTATE_0),
> > +							 BIT(DRM_ROTATE_0) |
> > +							 BIT(DRM_ROTATE_90) |
> > +							 BIT(DRM_ROTATE_180) |
> > +							 BIT(DRM_ROTATE_270));
> > +		if (ret)
> > +			return ret;
> > +	}
> >  
> >  	if (desc->layout.csc) {
> >  		/*
> > @@ -925,6 +933,8 @@ static void atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane,
> >  			     ATMEL_HLCDC_LAYER_CSC_CFG(&plane->layer, 2),
> >  			     0x40040890);
> >  	}
> > +
> > +	return 0;
> >  }
> >  
> >  static struct drm_plane_helper_funcs atmel_hlcdc_layer_plane_helper_funcs = {
> > @@ -1036,7 +1046,9 @@ atmel_hlcdc_plane_create(struct drm_device *dev,
> >  			     &atmel_hlcdc_layer_plane_helper_funcs);
> >  
> >  	/* Set default property values*/
> > -	atmel_hlcdc_plane_init_properties(plane, desc, props);
> > +	ret = atmel_hlcdc_plane_init_properties(plane, desc, props);
> > +	if (ret)
> > +		return ERR_PTR(ret);
> 
> Shouldn't we call drm_plane_cleanup() here?

The other error path doesn't call it either, so I figured no really
cares anyway.

> 
> >  
> >  	return plane;
> >  }
> > @@ -1054,15 +1066,6 @@ atmel_hlcdc_plane_create_properties(struct drm_device *dev)
> >  	if (!props->alpha)
> >  		return ERR_PTR(-ENOMEM);
> >  
> > -	dev->mode_config.rotation_property =
> > -			drm_mode_create_rotation_property(dev,
> > -							  BIT(DRM_ROTATE_0) |
> > -							  BIT(DRM_ROTATE_90) |
> > -							  BIT(DRM_ROTATE_180) |
> > -							  BIT(DRM_ROTATE_270));
> > -	if (!dev->mode_config.rotation_property)
> > -		return ERR_PTR(-ENOMEM);
> > -
> >  	return props;
> >  }
> >  

-- 
Ville Syrjälä
Intel OTC